Traditional (Old System)
The rules of badminton states that a badminton
match shall consist of the best of 3 games. In doubles and men's singles, the
first side to score 15 points wins the game. In women's singles, the first side
to score 11 points wins the game.
If the score becomes 14-all (10-all
in women's singles), the side which first scored 14 (10) shall exercise the
choice to continue the game to 15 (11) points or to 'set' the game to 17 (13)
points.
The side winning a game serves
first in the next game. Only the serving side can add a point to its score.
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Rally Point (New
System)
For Singles matches, the rules are:
- A match consists of best of 3 games.
- The side that first scored 21 points shall
win.
- The side winning a rally shall add 1 point
to its score.
- If a score becomes 20-20, the side which
scores 2 consecutive points shall win that game.
- If the score becomes 29-29, the side that
scores the 30th point shall win that game.
- The side winning a game serves first in the
next game.
- When one side reaches 11 points, both
players get a 60 second break.
- Both sides get a 2-minute break between
first and second games, and another 2-minute break between second and third
game.
- Other rules shall remain the same.
For Doubles matches, the rules are:
- One service only
- Back service line remains and the current
rule applies.
The chart below explains the 3x21
rally point scoring system for doubles matches.
In a Doubles match between A&B
against C&D. A&B win the toss and decide to serve. A will serve to C. A shall be
the initial server while C shall be the initial receiver.
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References:
http://www.badminton-information.com
http://www.usabadminton.org